I have similar problem in my flat,we lived in it for 18 months and its still got warranty,now i have got holes in ceilings where the plastic pipes run,all been lagged and its still making noises,i dont know what to do anymore as the plumbers been here many times and couldnt stop noise,comes up when heating comes on and then stops then on again.System has boiler and water cylinder,plumbers said it could not be air or anything else,but what do they know they useless company,all neighbour's know that.Any advise?
